/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemComponent.h
Cancel a specific ability spec
virtual void CancelAbilitySpec ( [FGameplayAbilitySpec](API\Plugins\GameplayAbilities\FGameplayAbilitySpec) & Spec, [UGameplayAbility](API\Plugins\GameplayAbilities\Abilities\UGameplayAbility) * Ignore )